"I'm very normal," Tony retorted immediately, and didn't stop looking like he'd be lashing a tail if he had one as he continued, hand still splayed over his heart, "There's probably a little bit of chemical encouragement in the mix, but there's a long history of mad scientists hoping to make the perfect super soldier and getting only what that body had to give. Steve was always going to be extraordinarily kind, and stubborn. Hulk was always going to be angry, and clever. Whatever was already in there, that's just been amped up to 11."

His hand slid up his chest, to hook anxiously around his neck, pushing his fingers up into his hair at the curve of his skull, like he could feel the adaptation of his brain through his skin. For some people, a dose of supersoldier just made them more impatient and selfish. "That's why I'm so handsome and irresistible," he concluded with a brief smirk. "You're right, I should have told you, listen, it's not your fault you can't stop thinking about me, now you know."